/*   
 * Copyright 2009-2010 Rob Schoening
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 *    
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.beaconframework.ext.ibm.wps.data;

import java.io.ByteArrayInputStream;
import java.util.Map;

import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;

import org.beaconframework.ext.rs.WebResource;
import org.beaconframework.util.xml.DomUtil;
import org.w3c.dom.Document;

public class UserQueryTemplate extends QueryTemplateBase {

    public UserQueryTemplate() {
        super();
        setAcceptedMediaTypes(new MediaType("application", "json"));
        setWebResourceFactoryBeanName("userManagerWebResourceFactory");
    }


    @Override
    public WebResource constructQuery(Map<String, Object> args, WebResource wr) {

        wr = wr.path("users/profiles");

        wr = wr.queryParam("searchAttributes",
                "j2ee_principalname=*" + args.get(index(0)) + "*").queryParam(
                "maxresult", "100").queryParam("expandRefs", "true")
                .queryParam("includeAttributes", "*");
        return wr;

    }


    @Override
    public Document doHandleException(Exception t) throws Exception {
        try {
            return super.doHandleException(t);
        } catch (WebApplicationException e) {
            if (e.getResponse().getStatus() == 500) {
                Document d = DomUtil.newDocumentNamespaceAware();
                d.appendChild(d.createElement("root"));
                return d;
            }

            throw e;
        }
    }


    @Override
    public Object doExecuteQuery(Map<String, Object> arg) throws Exception {
        String sarg = (String) arg.get(index(0));
        if (sarg == null || sarg.length() < 1) {
            ByteArrayInputStream bais = new ByteArrayInputStream("{}"
                    .getBytes());
            return bais;
        }
        return super.doExecuteQuery(arg);
    }

}
